A-A+
(For several) years now the student body (is
问题详情
(For several) years now, the student body (is attempting) to gain (more) influence (over) university policies.
A．For several years now
B．is attempting
C．more
D．over
参考答案
正确答案：B
解析：改为has been attempting。for的短语表示几年来一直做某事，所以用现在完成进行时。
